4-month-old babies with bent thumbs may be caused by congenital malformations, pediatric stenosing tenosynovitis or cerebral palsy and other factors.
1. Congenital malformation: due to the 4-month-old baby congenital genetic factors or skeletal underdevelopment, malformation and lead to the body to appear bent thumb phenomenon.
2. Pediatric stenosing tenosynovitis: due to the thickening of fibers at the opening of the tendon sheath of the flexor digit in children, the thickened tendon can not pass through, so it can result in the phenomenon of 4-month-old baby’s thumb bending.
3. cerebral palsy: due to a variety of causes of non-progressive brain injury syndrome, mainly manifested in central movement disorders and postural abnormalities and other symptoms, can also appear 4 months baby bent thumb phenomenon.
4 months baby thumb curvature, there may also be other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.